Oilpan: "Move" ElementStyleResources to the oilpan heap.

Source/core/css/resolver/ElementStyleResources.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 23 matching lines @@
 class CSSCursorImageValue;
 class CSSImageValue;
 class CSSImageGeneratorValue;
 class CSSImageSetValue;
 class CSSSVGDocumentValue;
 class CSSValue;
 class FilterOperation;
 class StyleImage;
 class TextLinkColors;
 
-typedef WillBePersistentHeapHashMap<FilterOperation*, RefPtrWillBeMember<CSSSVGDocumentValue> > PendingSVGDocumentMap;
-typedef WillBePersistentHeapHashMap<CSSPropertyID, RefPtrWillBeMember<CSSValue> > PendingImagePropertyMap;
+typedef WillBeHeapHashMap<FilterOperation*, RefPtrWillBeMember<CSSSVGDocumentValue> > PendingSVGDocumentMap;
+typedef WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<CSSValue> > PendingImagePropertyMap;
 
 // Holds information about resources, requested by stylesheets.
 // Lifetime: per-element style resolve.
 class ElementStyleResources {
+STACK_ALLOCATED();
 WTF_MAKE_NONCOPYABLE(ElementStyleResources);

[haraken, 2014/03/21 13:51:30]

Nit: Fix indentation.

[wibling-chromium, 2014/03/24 07:59:17]

Done.

 public:
     ElementStyleResources();
 
     PassRefPtr<StyleImage> styleImage(const TextLinkColors&, Color currentColor, CSSPropertyID, CSSValue*);
 
     PassRefPtr<StyleImage> generatedOrPendingFromValue(CSSPropertyID, CSSImageGeneratorValue*);
     PassRefPtr<StyleImage> cachedOrPendingFromValue(CSSPropertyID, CSSImageValue*);
     PassRefPtr<StyleImage> setOrPendingFromValue(CSSPropertyID, CSSImageSetValue*);
     PassRefPtr<StyleImage> cursorOrPendingFromValue(CSSPropertyID, CSSCursorImageValue*);
 
@@ skipping 10 matching lines @@
 
 private:
     PendingImagePropertyMap m_pendingImageProperties;
     PendingSVGDocumentMap m_pendingSVGDocuments;
     float m_deviceScaleFactor;
 };
 
 } // namespace WebCore
 
 #endif // ElementStyleResources_h